// 加法：

export function dcmAdd(arg1, arg2) {

	var r1, r2, m;
	try {
		r1 = arg1.toString().split(".")[1].length;
	} catch (e) {
		r1 = 0;
	}
	try {
		r2 = arg2.toString().split(".")[1].length;
	} catch (e) {
		r2 = 0;
	}
	m = Math.pow(10, Math.max(r1, r2));
	return (accMul(arg1, m) + accMul(arg2, m)) / m;
}
// 减法：

export function dcmSub(arg1, arg2) {

	var r1, r2, m;
	try {
		r1 = arg1.toString().split(".")[1].length;
	} catch (e) {
		r1 = 0;
	}
	try {
		r2 = arg2.toString().split(".")[1].length;
	} catch (e) {
		r2 = 0;
	}
	m = Math.pow(10, Math.max(r1, r2));
	return (accMul(arg1, m) - accMul(arg2, m)) / m;
}
// 乘法：

export function accMul(arg1, arg2) {

	var m = 0,
		s1 = arg1.toString(),
		s2 = arg2.toString();
	try {
		m += s1.split(".")[1].length
	} catch (e) {}
	try {
		m += s2.split(".")[1].length
	} catch (e) {}
	return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m)
}
// 除法：

export function accDiv(arg1, arg2) {

	var t1 = 0,
		t2 = 0,
		r1, r2;
	try {
		t1 = arg1.toString().split(".")[1].length
	} catch (e) {}
	try {
		t2 = arg2.toString().split(".")[1].length
	} catch (e) {}

	r1 = Number(arg1.toString().replace(".", ""))
	r2 = Number(arg2.toString().replace(".", ""))
	return (r1 / r2) *  Math.pow(10, t2 - t1);

}
export default { dcmAdd,dcmSub,accMul,accDiv}